fix(deps): update dependency nodebb-theme-slick to v1.4.0 (#9237)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

install/package.json

@@ -102,7 +102,7 @@
         "nodebb-rewards-essentials": "0.1.4",
         "nodebb-theme-lavender": "5.2.0",
         "nodebb-theme-persona": "10.5.0",
-        "nodebb-theme-slick": "1.3.8",
+        "nodebb-theme-slick": "1.4.0",
         "nodebb-theme-vanilla": "11.3.11",
         "nodebb-widget-essentials": "5.0.2",
         "nodemailer": "^6.4.6",